MailChimp - MailChimp is the best way to design, send, and share email newsletters.

ReliefJet Essentials for Outlook - A large set of useful and easy-to-use tools for every Microsoft Outlook user: Import, export and convert using EML,MSG,TXT and PST formats; remove duplicate items, process attachments and extract addresses; get reports and statistics and even more...

HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.

Import Messages from EML Files - Free and easy way to import messages from EML format files to the specified Outlook folder.

GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.

Cloud Email Conversion - Looking for email migration service? Cloud Email Conversion easily turns the bunch of email files into the Outlook PST file preserving the folders structure